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Finding the Fourth Proportional to 375,039.93, 517,551.45 and 202,954.23

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Solution

The fourth proportional to 375,039.93, 517,551.45 and 202,954.23 is: 280,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,039.93 : 517,551.45 = 202,954.23 : x
  2. Step 2: Convert to fraction form
    375,039.93/517,551.45 = 202,954.23/x
  3. Step 3: Cross multiply
    375,039.93x = 517,551.45 × 202,954.23
  4. Step 4: Simplify right side
    375,039.93x = 105,039,256,020.13
  5. Step 5: Solve for x
    x = 105,039,256,020.13/375,039.93
  6. Step 6: Final answer
    x = 280,074.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.